every与each有何区别,get与gain有何区别?

every与each有何区别,get与gain有何区别? each day 与 every day 有何区别 each与 every的区别 each与every的区别 they each与each they有何区别 each day和every有何区别 every day与everyday有何区别? each 与every 的区别与用法 each week与every week有什么区别 each year与 every year的区别 every 与each的区别是什么 either与every、each的区别 They each sing a new song,(every) one is beautiful.括号内能填each every与each 有何区别?后半句是每一首歌都很美丽还是他们每个人都很美丽? every day,everyday,each day有何区别? 急：per day 与 every day 有何区别? everyday连写与every day 分开写,有何区别? 有没有each one of这个短语?如果有的话，与every one of 是什么区别？ every one 与 each of的区别是什么?